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Old 22nd Jun 2017, 02:05
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George K Lee
 
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FB - Just to clarify things. I'm not sure that VL uses a lot more fuel than a conventional landing since the time in "V" mode is quite short. On the other hand, the V hardware is indeed along for the ride and is quite heavy. We know that the difference between A and B OEW is ~3000 lb, but the B also doesn't have an internal gun and is 7g rather than 9g.

The V hardware, particularly the fan, occupies space that would otherwise be available for gas and weapons. Internal fuel on the B is just about two-thirds of the A and the weapon bays are smaller.

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